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Diagnostics

Why the internet isn't working, low speed, connection interruptions, and how to fix them. Β· p. 112/168

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How to find out the Wi-Fi adapter chip on a laptop: 5 ways
Detailed instructions on how to identify your Wi-Fi module model in Windows 10/11. Device Manager commands, PowerShell, and third-party utilities for accurate diagnostics.
⏱ 12 min
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How to Find Out Where a Wi-Fi Signal Comes From: Finding the Source and Analyzing It
Detailed instructions on how to identify a Wi-Fi signal source, find a neighbor's router, or find a hidden access point using a smartphone and PC.
⏱ 14 min
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How to check your Wi-Fi speed: accurate measurements and analysis
Find out the actual speed of your Wi-Fi router and internet connection. Check using online services, the command line, and apps for Windows, Android, and iOS.
⏱ 10 min
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How to measure Wi-Fi speed: accurate methods and services
Learn how to properly measure your Wi-Fi internet speed. A review of the best services, diagnostic commands, and factors affecting your router's signal.
⏱ 10 min
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Why Your Computer Has Poor Wi-Fi Reception: Causes and Solutions
Is your computer experiencing poor Wi-Fi reception? We'll explore the causes of low speeds, driver settings, antennas, and router settings. We'll also explore effective methods for improving your signal.
⏱ 9 min
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Wi-Fi on the map stopped working: reasons and solutions
Is your GPS showing no Wi-Fi networks? Learn how to fix GPS issues, reset the map cache, and restore hotspots.
⏱ 9 min
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My computer's internet connection is down, even though my router is distributing Wi-Fi: What should I do?
Detailed instructions: the internet is gone on my PC, but the router is working. Driver diagnostics, DNS, network reset, and IP address conflict resolution.
⏱ 12 min
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My laptop can't connect to Wi-Fi: causes and solutions
Is your laptop not connecting to your Wi-Fi router? Find out how to fix the Windows error "Unable to connect" and restore your internet connection in 5 minutes.
⏱ 10 min
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Laptop Wi-Fi reception is poor: causes and solutions
Is your laptop experiencing poor WiFi reception? We'll explore hardware and software issues, methods for boosting reception, and driver settings for a stable connection.
⏱ 12 min
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Laptop Wi-Fi Loses: Causes and Solutions
Why does my laptop lose network connection when moving away from the router? We'll explore weak antennas, drivers, and power-saving settings.
⏱ 11 min
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Why is my laptop's Wi-Fi slow? Causes and solutions
We analyze why your laptop is throttling Wi-Fi. We diagnose drivers, routers, Windows settings, and interference. Practical tips for speeding up your internet.
⏱ 9 min
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Why Wi-Fi isn't working on my phone: causes and solutions
Is your phone not connecting to Wi-Fi? We'll cover common Android and iPhone errors, router issues, and provider settings. A complete guide to restoring your network.
⏱ 8 ​​min
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OBD2 won't connect via Wi-Fi: causes and solutions
Is your diagnostic adapter not detecting your phone? We'll explore IP errors, network conflicts, and Torque and ELM327 settings for Android and iOS.
⏱ 11 min
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Why can't I get an IP address when connected to Wi-Fi: Solution
Unable to obtain an IP address when connecting to Wi-Fi? We'll explore the causes of DHCP failures, router setting conflicts, and manual IP assignment methods.
⏱ 10 min
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Why Wi-Fi Keeps Dropping: Causes and Solutions
Is your Wi-Fi connection dropping out? We'll explore the main causes of outages, including router interference, drivers, and Windows settings. We'll also explore effective methods for restoring the connection.
⏱ 11 min
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My Wi-Fi adapter isn't detecting my network: causes and solutions
Is your adapter not finding a specific Wi-Fi network? We'll explore the causes: channels, 802.11 standards, drivers, and hidden SSID mode.
⏱ 12 min
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Why does Wi-Fi say there is no internet access? Causes and solutions
We'll figure out why your router is connected but there's no internet. We'll use effective diagnostic methods, resetting DNS settings, and checking your ISP to restore your network.
⏱ 11 min
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Why Wi-Fi is slow: reasons for low speed and how to fix them
We analyze why your Wi-Fi speed has dropped. We explore interference, router settings, frequency ranges, and diagnostic methods for maintaining a stable connection.
⏱ 9 min
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How to Check WiFi Speed: Accurate Test and Speedup
A detailed guide on how to check WiFi speed on your phone and PC. A breakdown of programs, online services, and the command line for network diagnostics.
⏱ 10 min
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Wi-Fi in sleep mode: reasons for disconnection and solutions
Find out why Wi-Fi drops in sleep mode. We'll break down power-saving settings for routers and adapters on Windows, Android, and iOS to ensure a stable network.
⏱ 13 min
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There's Wi-Fi, but no internet: what to do and how to fix it
Wi-Fi is connected, but there's no internet? Complete instructions for diagnosing your router, DNS, drivers, and resetting network settings on Windows and smartphones.
⏱ 9 min
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How to Measure WiFi Signal on Your Phone: Accurate Methods and Apps
Learn how to check WiFi signal strength on Android and iPhone. Find accurate dBm values, hidden engineering menus, and the best network diagnostic apps.
⏱ 10 min
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How to connect SD Connect via WiFi to Windows 10: Step-by-step instructions
A detailed guide on setting up a wireless connection between Star Diagnosis (SD Connect) and a Windows 10 laptop. Troubleshooting driver and IP address issues.
⏱ 11 min
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How to view a WiFi adapter's chip: all methods
Learn how to identify your WiFi adapter's chipset in Windows. Detailed instructions using the task manager, command line, and third-party tools.
⏱ 11 min
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How to test your tablet's WiFi: speed and stability
A professional guide: how to check the speed, signal strength, and stability of WiFi on a tablet. Top apps for Android and iOS diagnostics.
⏱ 13 min
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How to Check Wi-Fi Channel Load: A Complete Guide
A detailed guide to analyzing airtime load. How to check your Wi-Fi router channels, find available frequencies, and speed up your internet connection in your apartment.
⏱ 10 min
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How to Check Your WiFi Router Speed: Accurate Methods and Tests
A detailed guide on how to check your router's actual WiFi connection speed. A comparison of software tests and manual measurements via LAN.
⏱ 9 min
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How to Test Your Wi-Fi Router's Speed: A Complete Testing Guide
Find out your router's real speed. Instructions for speedtesting, LAN/WAN throughput analysis, and troubleshooting bottlenecks.
⏱ 9 min
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How to find out the model of your TP-Link Wi-Fi adapter: all the methods
Detailed instructions on how to find the model and ID of your TP-Link adapter using Device Manager, the command line, and physical inspection. Troubleshooting.
⏱ 12 min
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How to Find Your Wi-Fi Router's Parameters: A Complete Guide
Learn how to view your Wi-Fi network parameters, speed, channels, and standards. Detailed instructions for Windows, macOS, Android, and iOS.
⏱ 11 min